| Function/Person | Direct phone number | Internal number |
| Director General Prof. dr hab. inż. Andrzej Grzegorz Chmielewski office@ichtj.waw.pl | 504 1205 | 1205 |
| Deputy Director for Research and Development Prof. dr hab. inż. Jacek Michalik office@ichtj.waw.pl | 504 1205 | 1205 |
| Deputy Director for Finance mgr inż. Wojciech Maciąg office@ichtj.waw.pl | 504 1205 | 1205 |
| Director's Office Krystyna Wajs office@ichtj.waw.pl | 504 1205 | 1205 |
| Deputy Director for Administration mgr inż. Roman Janusz | 504 1220 | 1220 |
| Office Wieslawa Wawrzyniak | 504 1220 | 1220 |
| Accountant General mgr Maria Małkiewicz | 504 1299 | 1299 |
| Data Protection Officer Agnieszka Rzycka - Osiej | 504 1205 | 1205 |